Копирование данных

if (isset($_POST["tak"]))
{
 
mysqli_query($link,"INSERT INTO [orders] [(price)]
SELECT [cart] [cart_price]
FROM [orders]
)");
 
}

 $itogpricecart = $int;

$result = mysqli_query($link,"SELECT * FROM cart,table_products WHERE cart.cart_ip = '{$_SERVER['REMOTE_ADDR']}' AND table_products.products_id = cart.cart_id_products");
If (mysqli_num_rows($result) > 0){
$row = mysqli_fetch_array($result);
 
do
{ 
$int = $int + ($row["price"] * $row["cart_count"]); 
}
 while ($row = mysqli_fetch_array($result));
 
 
   $itogpricecart = $int;
}

if (isset($_POST["tak"]))
{
 
$result = mysqli_query($link,"SELECT * FROM cart,table_products WHERE cart.cart_ip = '{$_SERVER['REMOTE_ADDR']}' AND table_products.products_id = cart.cart_id_products");
If (mysqli_num_rows($result) > 0){
$row = mysqli_fetch_array($result);
 
do
{ 
$int = $int + ($row["price"] * $row["cart_count"]); 
}
 while ($row = mysqli_fetch_array($result));
 
 
   $itogpricecart = $int;
}
 
}

if (isset($_POST["tak"]))
{
 
mysqli_query($link,"UPDATE order SET price = $itogpricecart  WHERE order_fio=$_POST['order_fio'] ");
 
}

$result = mysqli_query($link,"UPDATE `order` SET `price` = '33' WHERE `order_id` =1 ");

if (isset($_POST["tak"]))
{
 
$result = mysqli_query($link,"UPDATE `orders` SET `price` = '33' WHERE `order_id` =1 ");
 
}
else {
    $result = mysqli_query($link,"UPDATE `orders` SET `price` = '07' WHERE `order_id` =1 ");
}

<?php
$servername = "localhost";
$username = "admin";
$password = "1111";
$dbname = "mybaza";
 
// Create connection
$link = mysqli_connect($servername, $username, $password, $dbname);
// Check connection
if (!$link) {
  die("Connection failed: " . mysqli_connect_error());
}
 
 
$result = mysqli_query($link,"UPDATE `orders` SET `price` = '44' WHERE `order_id` =1 ");
 
 
 
mysqli_close($link);
?>